PREFFERED STOCK (TABLES)

12 Months Ended

Dec. 31, 2014

Notes To Consolidated Financial Statements [Abstract]

Schedule of Preferred Stock [Text Block]

				Redemption Price		Shares Outstanding as of	As of December 31,
Series				Per Share		December 31, 2014 and 2013	2014		2013
CL&P
$	1.90		Series of 1947	$	52.50	163,912	$	8.2	$	8.2
$	2.00		Series of 1947	$	54.00	336,088		16.8		16.8
$	2.04		Series of 1949	$	52.00	100,000		5.0		5.0
$	2.20		Series of 1949	$	52.50	200,000		10.0		10.0
	3.90	%	Series of 1949	$	50.50	160,000		8.0		8.0
$	2.06		Series E of 1954	$	51.00	200,000		10.0		10.0
$	2.09		Series F of 1955	$	51.00	100,000		5.0		5.0
	4.50	%	Series of 1956	$	50.75	104,000		5.2		5.2
	4.96	%	Series of 1958	$	50.50	100,000		5.0		5.0
	4.50	%	Series of 1963	$	50.50	160,000		8.0		8.0
	5.28	%	Series of 1967	$	51.43	200,000		10.0		10.0
$	3.24		Series G of 1968	$	51.84	300,000		15.0		15.0
	6.56	%	Series of 1968	$	51.44	200,000		10.0		10.0
Total CL&P						2,324,000	$	116.2	$	116.2
NSTAR Electric
	4.25	%	Series	$	103.625	180,000	$	18.0	$	18.0
	4.78	%	Series	$	102.80	250,000		25.0		25.0
Total NSTAR Electric						430,000	$	43.0	$	43.0
Fair Value Adjustment due to Merger with NSTAR								(3.6)		(3.6)
Total NU - Preferred Stock of Subsidiaries							$	155.6	$	155.6